Fixed compilation problem when building without CUDA

modules/gpu/test/test_main.cpp

@@ -42,6 +42,7 @@
 #include "test_precomp.hpp"
 
 #ifdef HAVE_CUDA
+#include <cuda_runtime_api.h>
 
 void print_info()
 {    

modules/gpu/test/test_precomp.hpp

@@ -50,7 +50,6 @@
 #include <string>
 #include <algorithm>
 #include <iterator>
-#include <cuda_runtime_api.h>
 #include "cvconfig.h"
 #include "opencv2/core/core.hpp"
 #include "opencv2/highgui/highgui.hpp"